Труды КНЦ вып.12 (ИНФОРМАЦИОННЫЕ ТЕХНОЛОГИИ вып. 5/2021(12))

5 /2 0 2 1 (1 2 ) Published since 2010 UDC 004.9 ISSN 2307-5252 Editor-in-Chief: S. V. Krivovichev, Editorial Council: Corr. Member of the RAS, Prof. G. G. Matishov, Acad. of RAS, A. I. Nikolaev, Cor. Member of RAS, Deputy Editor-in-Chief: F. D. Larichkin, Dr. Sc. (Economics), V. K. Zhirov, Cor. Member of RAS V. A. Putilov, Dr. Sc. (Engineering), E. D. Tereshchenko, Dr. Sc. (Physics and Mathematics), A. S. Karpov PhD (Engineering) - Executive Secretary Editorial Council of “Information Technologies” Series: V.A. Putilov, Dr.Sc., Prof. (Editor-in-Ohief), A.G. Oleynik, Dr.Sc. (Eng.) (Vice Editor- in-Chief), V.A. Mаrleу, Dr.Sc. (Eng.), V.A. Masloboyev, Dr.Sc. (Eng.) Executive Editor: I. O. Datyev, PhD (Tech.) 14, Fersman str., Apatity, Murmansk region, 184209, Russia Tel.: (81555) 79380. Fax: (81555) 76425 E-mail: ksc@ksc.ru. www.ksc.ru © Institute for Informatics and Mathematical Modeling KSC RAS, 2021 © Federal Research Centre “Kola Science Centre of the Russian Academy of Sciences”,2021 INFORMATION TECHNOLOGIES series 12 TRANSACTIONS Kola Science Centre